Level Easy Key C Meter 4/4 Shuffle Speed 160 BPM Creativity Original Style 12-Bar Blues Shuffle Blues CHORDS: Dominant 13thA dominant 13th chord is a dominant 7th chord with three extra notes: the 9th, 11th and 13th. It’s a sweet-sounding chord that gives a jazzy flavor. I played a 12-Bar Blues in the key of C using some dominant 13th chords.VIDEO + TABSBacking trackguitar pro